Home / 4,187.75-6,280.61-1,723.28

Finding the Fourth Proportional to 4,187.75, 6,280.61 and 1,723.28

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Solution

The fourth proportional to 4,187.75, 6,280.61 and 1,723.28 is: 2,584.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.75 : 6,280.61 = 1,723.28 : x
  2. Step 2: Convert to fraction form
    4,187.75/6,280.61 = 1,723.28/x
  3. Step 3: Cross multiply
    4,187.75x = 6,280.61 × 1,723.28
  4. Step 4: Simplify right side
    4,187.75x = 10,823,209.58
  5. Step 5: Solve for x
    x = 10,823,209.58/4,187.75
  6. Step 6: Final answer
    x = 2,584.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.